//
//  AppDelegate.swift
//  iOSWeibo10
//
//  Created by ge on 16/5/9.
//  Copyright © 2016年 ge. All rights reserved.
//

import UIKit

// 系统会自动创建AppDelegate,并会将这个AppDelegate设置给UIApplication.sharedApplication().delegate
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        
        //打印日志
//        CZPrint(__FILE__, line: __LINE__, function: __FUNCTION__, items: "application: \(application)")
//        // 默认参数,如果调用的人不传递使用默认参数
//        CZPrint(items: "AnyObject: \(launchOptions)")
        

        // 在AppDelegate设置导航栏按钮的字体颜色
        setupAppearance()
        
        CZPrint(items: "\(NSHomeDirectory())")
        CZPrint(items: "access_token: \(CZUserAccountViewModel.sharedInstance.userAccount?.access_token)")
        
        //1.创建UIWindow
        window = UIWindow(frame: UIScreen.mainScreen().bounds)
        
        let tabBarVC = CZMainTabBarController()
        tabBarVC.view.backgroundColor = UIColor.whiteColor()

        //2.设置root控制器
        window?.rootViewController = defaultViewController()
        // 测试将window的根控制器设置成需要调试的控制器
//        window?.rootViewController = CZWelcomeViewController()
//        window?.rootViewController = CZNewFeatureViewController()
        
        
        //3.设置为主窗口
        window?.makeKeyAndVisible()

        return true
    }
    
    /// 显示默认的控制器
    private func defaultViewController() -> UIViewController {
        if !CZUserAccountViewModel.sharedInstance.isUserLogin {
            // 用户没有登录
            return CZMainTabBarController()
        }
    
        // 能到这个地方来用户已经登录了
        if isNewVersion() {
            return CZNewFeatureViewController()
        }else {
            return CZWelcomeViewController()
        }
    }
    
    /// 让别人来切换window的根控制器
    func switchRootController(controller: UIViewController) {
        // 将传入的控制器设置给window的根控制器
        window?.rootViewController = controller
    }
    
    /// 判断是否是新版本, 这个方法要注意只调用一次
    private func isNewVersion() -> Bool {
        // 1.获取当前的版本号
        let currentVersion = NSBundle.mainBundle().infoDictionary!["CFBundleShortVersionString"] as! String
        
        // 2.获取上次的版本号(版本号保存到哪里?偏好设置)
        let sandboxVersionKey = "sandboxVersionKey"
        let sandboxVersion = NSUserDefaults.standardUserDefaults().stringForKey(sandboxVersionKey)
        
        // 3.进行比较: 只要不相同就认为是新的版本号
        let isNewVersion = currentVersion != sandboxVersion
        
        CZPrint(items: "currentVersion: \(currentVersion), sandboxVersion: \(sandboxVersion), isNewVersion: \(isNewVersion)")
        
        // 4.是新版,将当前的版本号保存到沙盒
        if isNewVersion {
            NSUserDefaults.standardUserDefaults().setObject(currentVersion, forKey: sandboxVersionKey)
            //同步更新数据
            NSUserDefaults.standardUserDefaults().synchronize()
        }
        
        // 5.返回比较的结果
        return isNewVersion
    }
    
    /// 设置导航栏的皮肤 - 越早设置越好
    private func setupAppearance()
    {
        let bar = UINavigationBar.appearance()
        bar.tintColor = UIColor.orangeColor()
    }

    func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

